File 01-fix-no-return.patch of Package faust

diff --git a/compiler/generator/compile_scal.cpp b/compiler/generator/compile_scal.cpp
index c0e90c7..0afc703 100644
--- a/compiler/generator/compile_scal.cpp
+++ b/compiler/generator/compile_scal.cpp
@@ -1655,6 +1655,7 @@ string ScalarCompiler::generateDelayAccess(Tree sig, Tree exp, Tree delay)
     return generateCacheCode(sig, result);
 
 #endif
+return nullptr;
 }
 
 /**
@@ -1880,6 +1881,8 @@ string ScalarCompiler::generateDelayLine(DelayType dt, const string& ctype, cons
             return subst("$0[$1]", vname, cacheidx);
     }
 #endif
+
+return nullptr;
 }
 
 /**